General

  • Target

    JaffaCakes118_b5b559ae20ec80c26ec50afd2d077f53

  • Size

    13.6MB

  • Sample

    250105-wqeets1qdy

  • MD5

    b5b559ae20ec80c26ec50afd2d077f53

  • SHA1

    4553fc5937302711ee5e74a881c7fd4acd119e5b

  • SHA256

    072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd

  • SHA512

    dadb525483641f1574c5efcb48cc2c1333d34145b1b7e6386afa9f3e64db7ce45bbe4fc70f2656a997ec42e839bc73cb4c641bd97061e95d712c476f5573cdfd

  • SSDEEP

    196608:aI+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++2:a

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      JaffaCakes118_b5b559ae20ec80c26ec50afd2d077f53

    • Size

      13.6MB

    • MD5

      b5b559ae20ec80c26ec50afd2d077f53

    • SHA1

      4553fc5937302711ee5e74a881c7fd4acd119e5b

    • SHA256

      072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd

    • SHA512

      dadb525483641f1574c5efcb48cc2c1333d34145b1b7e6386afa9f3e64db7ce45bbe4fc70f2656a997ec42e839bc73cb4c641bd97061e95d712c476f5573cdfd

    • SSDEEP

      196608:aI+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++2:a

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Tofsee family

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks